The prizes awarded by the academy are as follows: • Linnaeus prize: the oldest prize awarded by the academy, named after
Carl Linnaeus: the prize was instituted upon a donation by Linnaeus widow, Sara E. Linnaeus, on 8 September 1803. • Celsius Gold Medal is the most prestigious prize awarded by the academy, named after
Anders Celsius. It was first awarded in 1961, and it is reserved to scientists working in
mathematical and
physical sciences, and as such, it is awarded upon decision by the "
Mathematical-
Physical class" of the academy. • Bergstedt prize is the second oldest prize awarded by the academy, instituted on 12 May 1827, upon a donation by the Secretary of State
Erik Bergstedt. • Thalen prize was instituted in 1902 and is named after the
physics professor
Robert Thalén. • (Lilly and Sven) Thureus prize was instituted upon a donation from Lilly and Sven Thureus in 1971: originally it was a single prize, but at present it is awarded yearly upon decision by each one of the four classes of the academy. instituted in 1980 and entirely founded by the academy: it is meant as a grant to young researchers. ==Notes==